Home / 939,766.68-1,296,890.46-510,051.96

Finding the Fourth Proportional to 939,766.68, 1,296,890.46 and 510,051.96

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Solution

The fourth proportional to 939,766.68, 1,296,890.46 and 510,051.96 is: 703,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,766.68 : 1,296,890.46 = 510,051.96 : x
  2. Step 2: Convert to fraction form
    939,766.68/1,296,890.46 = 510,051.96/x
  3. Step 3: Cross multiply
    939,766.68x = 1,296,890.46 × 510,051.96
  4. Step 4: Simplify right side
    939,766.68x = 661,481,521,028.30
  5. Step 5: Solve for x
    x = 661,481,521,028.30/939,766.68
  6. Step 6: Final answer
    x = 703,878.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.